Meanings
nounarsenic trioxide (uncountable)
- uncountablechemistryAn industrially important and highly toxic oxide of arsenic that occurs as the mineral claudetite; formula As₂O₃ (though in liquid, gaseous and some solid forms it has molecules of the form As₄O₆).
Synonyms & antonyms
nouna white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
Similar
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Bulgarian арсеник, мишеморка
- арсеник (arsenik)an oxide of arsenic
- мишеморка (mišemorka)an oxide of arsenic
Chinese Mandarin 三氧化二砷
- 三氧化二砷 (sānyǎnghuà'èrshēn)an oxide of arsenic
Esperanto arseniko
- arsenikoan oxide of arsenic
Finnish arseenitrioksidi, arsenikki
- arseenitrioksidian oxide of arsenic
- arsenikkian oxide of arsenic
Hungarian arzén-trioxid
- arzén-trioxidan oxide of arsenic
Polish arszenik
- arszenikan oxide of arsenic
Romanian trioxid de arsen
- trioxid de arsenan oxide of arsenic
Spanish trióxido de arsénico
- trióxido de arsénicoan oxide of arsenic
Swedish arseniktrioxid
- arseniktrioxidan oxide of arsenic
Turkish arsenik trioksit
- arsenik trioksitan oxide of arsenic
Cite this entry
APA
arsenic trioxide. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/arsenic%20trioxide
MLA
“arsenic trioxide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arsenic%20trioxide. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “arsenic trioxide,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/arsenic%20trioxide.
Source: arsenic trioxide on Wiktionary, CC BY-SA 4.0.